22620426 has 8 divisors (see below), whose sum is σ = 45240864. Its totient is φ = 7540140.

The previous prime is 22620419. The next prime is 22620427. The reversal of 22620426 is 62402622.

It is a sphenic number, since it is the product of 3 distinct primes.

22620426 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22620396 and 22620405.

It is not an unprimeable number, because it can be changed into a prime (22620427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1885030 + ... + 1885041.

It is an arithmetic number, because the mean of its divisors is an integer number (5655108).

Almost surely, 2^22620426 is an apocalyptic number.

22620426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22620426 is a wasteful number, since it uses less digits than its factorization.

22620426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770076.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 22620426 is about 4756.0935651015. The cubic root of 22620426 is about 282.8135803160.

The spelling of 22620426 in words is "twenty-two million, six hundred twenty thousand, four hundred twenty-six".